Fix decompression performance by delaying stream wrapping

Co-authored-by: adamhathcock <527620+adamhathcock@users.noreply.github.com>
Initial plan for decompression performance fix
2026-02-04 05:25:00 +00:00 · 2025-10-27 10:58:53 +00:00 · 2025-10-27 10:53:39 +00:00 · 2025-10-27 10:45:19 +00:00
2 changed files with 5 additions and 4 deletions
--- a/src/SharpCompress/Archives/ArchiveFactory.cs
+++ b/src/SharpCompress/Archives/ArchiveFactory.cs
@@ -20,8 +20,9 @@ public static class ArchiveFactory
    public static IArchive Open(Stream stream, ReaderOptions? readerOptions = null)
    {
        readerOptions ??= new ReaderOptions();
+        var factory = FindFactory<IArchiveFactory>(stream);
        stream = new SharpCompressStream(stream, bufferSize: readerOptions.BufferSize);
-        return FindFactory<IArchiveFactory>(stream).Open(stream, readerOptions);
+        return factory.Open(stream, readerOptions);
    }

    public static IWritableArchive Create(ArchiveType type)
--- a/src/SharpCompress/packages.lock.json
+++ b/src/SharpCompress/packages.lock.json
@@ -335,9 +335,9 @@
    "net8.0": {
      "Microsoft.NET.ILLink.Tasks": {
        "type": "Direct",
-        "requested": "[8.0.17, )",
-        "resolved": "8.0.17",
-        "contentHash": "x5/y4l8AtshpBOrCZdlE4txw8K3e3s9meBFeZeR3l8hbbku2V7kK6ojhXvrbjg1rk3G+JqL1BI26gtgc1ZrdUw=="
+        "requested": "[8.0.20, )",
+        "resolved": "8.0.20",
+        "contentHash": "Rhcto2AjGvTO62+/VTmBpumBOmqIGp7nYEbTbmEXkCq4yPGxV8whju3/HsIA/bKyo2+DggaYk5+/8sxb1AbPTw=="
      },
      "Microsoft.SourceLink.GitHub": {
        "type": "Direct",
Author	SHA1	Message	Date
copilot-swe-agent[bot]	3cc4ccedfe	Fix decompression performance by delaying stream wrapping Co-authored-by: adamhathcock <527620+adamhathcock@users.noreply.github.com>	2025-10-27 10:58:53 +00:00
copilot-swe-agent[bot]	f27ea2d5f6	Initial plan for decompression performance fix Co-authored-by: adamhathcock <527620+adamhathcock@users.noreply.github.com>	2025-10-27 10:53:39 +00:00
copilot-swe-agent[bot]	292729028b	Initial plan	2025-10-27 10:45:19 +00:00